Nord-Lock created the original wedge-locking technology that secures bolted joints, even when exposed to severe vibration and dynamic loads. It is impossible for our products to loosen unintentionally due to the wedge created underneath the bolt head and nut.

Quality & Traceability

The Nord-Lock washer is a premium product with documented success in many industries. Our products are approved by several industry standards and specified by numerous international companies.


  • DIBt (Deutsches Institut für Bautechnik) 
  • DNV (Det Norske Veritas) 
  • EBA (Eisenbahn-Bundesamt) 
  • TÜV (Technischer Überwachungs-Verein) 
  • CE marked*
* For CE marked products please see ETA-19/0813 and ETA-20/0010.


Quality & Environmental Assurances

  • ISO 9001 
  • ISO 14001 
  • Licensed by Dörken to perform Delta Protekt® surface coating in-house 
  • RoHs, ELV and Reach compliant 
  • Full traceability 

Laser Marking 

All Nord-Lock washers are laser marked with the Nord-Lock brand name, control number and a type code. This is to ensure that all of our customers receive genuine Nord-Lock washers and enables full traceability down to the first assembly.





Customer success stories